<aside class="sidebar" itemscope itemtype="http://schema.org/WPSideBar">
  <div class="slimContent">
    {{ range $w := .Site.Params.widgets }}
      <!-- $ 传递全局上下文 -->
      {{- partial  (printf "_widgets/%s.html" $w) $ }}
    {{- end }}
  </div>
</aside>
